//获取博主名字，签名
$.get('data/blog.json',{},function(data) {
    document.getElementById('main-name').innerHTML = data.name;
    document.getElementById('main-sign').innerHTML = data.sign;
    document.getElementById('main-question').innerHTML = data.question;
    $('#main-answer').attr('data-original-title',data.answer);
    //.dataOriginalTitle = ;
});